| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "Benchmark.h" |
| #include "SkBitmapDevice.h" |
| #include "SkBitmapSource.h" |
| #include "SkCanvas.h" |
| #include "SkMergeImageFilter.h" |
| |
| #define FILTER_WIDTH_SMALL SkIntToScalar(32) |
| #define FILTER_HEIGHT_SMALL SkIntToScalar(32) |
| #define FILTER_WIDTH_LARGE SkIntToScalar(256) |
| #define FILTER_HEIGHT_LARGE SkIntToScalar(256) |
| |
| class MergeBench : public Benchmark { |
| public: |
| MergeBench(bool small) : fIsSmall(small), fInitialized(false) { } |
| |
| protected: |
| virtual const char* onGetName() SK_OVERRIDE { |
| return fIsSmall ? "merge_small" : "merge_large"; |
| } |
| |
| virtual void onPreDraw() SK_OVERRIDE { |
| if (!fInitialized) { |
| make_bitmap(); |
| make_checkerboard(); |
| fInitialized = true; |
| } |
| } |
| |
| virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) : |
| SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE); |
| SkPaint paint; |
| paint.setImageFilter(mergeBitmaps())->unref(); |
| for (int i = 0; i < loops; i++) { |
| canvas->drawRect(r, paint); |
| } |
| } |
| |
| private: |
| SkImageFilter* mergeBitmaps() { |
| SkImageFilter* first = SkBitmapSource::Create(fCheckerboard); |
| SkImageFilter* second = SkBitmapSource::Create(fBitmap); |
| SkAutoUnref aur0(first); |
| SkAutoUnref aur1(second); |
| return SkMergeImageFilter::Create(first, second); |
| } |
| |
| void make_bitmap() { |
| fBitmap.allocN32Pixels(80, 80); |
| SkCanvas canvas(fBitmap); |
| canvas.clear(0x00000000); |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setColor(0xFF884422); |
| paint.setTextSize(SkIntToScalar(96)); |
| const char* str = "g"; |
| canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint); |
| } |
| |
| void make_checkerboard() { |
| fCheckerboard.allocN32Pixels(80, 80); |
| SkCanvas canvas(fCheckerboard); |
| canvas.clear(0x00000000); |
| SkPaint darkPaint; |
| darkPaint.setColor(0xFF804020); |
| SkPaint lightPaint; |
| lightPaint.setColor(0xFF244484); |
| for (int y = 0; y < 80; y += 16) { |
| for (int x = 0; x < 80; x += 16) { |
| canvas.save(); |
| canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
| canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
| canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
| canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
| canvas.restore(); |
| } |
| } |
| } |
| |
| bool fIsSmall; |
| bool fInitialized; |
| SkBitmap fBitmap, fCheckerboard; |
| |
| typedef Benchmark INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_BENCH( return new MergeBench(true); ) |
| DEF_BENCH( return new MergeBench(false); ) |